MySQL User

Client must log in the MySQL as a user.

MySQL uses user for permission of operations.

• Only a user called root by default
• The user information is stored in user table of database mysql

MySQL :: MySQL 8.0 Reference Manual :: 5.3 The mysql System Schema

USE mysql;
DESC user;
SELECT HOST,USER FROM user;

Create a User

CREATE USER some_user IDENTIFIED BY 'some_password';

New user cannot log in due to the lack of privileges.

Delete a User

DROP USER some_user;

Rename a User

RENAME USER some_old_user TO some_new_user;

Change Password

SET PASSWORD = 'some_auth_string';
SET PASSWORD FOR 'some-user'@'localhost' = 'some_auth_string';